제출 #934304

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
934304		dubious_dude	Lozinke (COCI17_lozinke)	C++17	0 / 100	1096 ms	1116 KiB

lozinke

#include <bits/stdc++.h>
using namespace std;
#define fast_io cin.tie(0)->sync_with_stdio(false);

bool isTrue(string &s1, string &s2) {
    if(s1 == s2) return true;

    int i=0,j=0;
    pair<int,int> ss1 = {0,0};
    pair<int,int> ss2 = {0,0};

    while(i<s1.size() && j<s2.size()) {
        if(s1[i] == s2[j]) {
            i++; j++;
            ss1.second++;
            ss2.second++;
        } else {
            if(s1.size() > s2.size()) {
                j=0; i++;
                ss2 = {0,0};
                ss1 = {i,i};
            }
            else {
                i=0; j++;
                ss1 = {0,0};
                ss2 = {i,i};
            }
        }
    }

    string c1 = s1.substr(ss1.first, ss1.second - ss1.first);
    string c2 = s2.substr(ss2.first, ss2.second - ss2.first);

    return (c1 == c2 && !c1.empty());
}


int main() {
    fast_io;

    int n; cin >> n;
    vector<string> pass(n);
    for(int i=0; i<n; i++) cin >> pass[i];

    int res = 0;
    for(int i=0; i<n; i++) {
        for(int j=i+1; j<n; j++) {
            res += (isTrue(pass[i],pass[j]) ? 1 : 0);
            res += (pass[i] == pass[j]) ? 1 : 0;
        }
    }

    cout << res;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'bool isTrue(std::string&, std::string&)':
lozinke.cpp:12:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     while(i<s1.size() && j<s2.size()) {
      |           ~^~~~~~~~~~
lozinke.cpp:12:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     while(i<s1.size() && j<s2.size()) {
      |                          ~^~~~~~~~~~

• Subtask 1: 0 / 100